New Lettuce Varieties Resistant to Disease Dan May 26, 2015Features, Field & Row Crops, General, Specialty Crops, This Land of Ours Cathy Isom tells us about the new lettuce varieties with increased disease resistance. New Lettuce Varieties Sponsored ContentParka Helps California Citrus Growers Protect Fruit Quality and PackoutSeptember 4, 2026CIR Agriculture Harvester ProductsJuly 1, 2026CIR Agriculture Harvester ProductsMarch 1, 2026